| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.myfaces.tobago.model; |
| |
| import java.util.EnumSet; |
| import java.util.Set; |
| |
| public enum Selectable { |
| |
| /** |
| * Not selectable. |
| */ |
| none, |
| |
| /** |
| * Multi selection possible. No other limitations. |
| */ |
| multi, |
| |
| /** |
| * Only one item is selectable. |
| */ |
| single, |
| |
| /** |
| * Only one of no item is selectable. |
| */ |
| singleOrNone, |
| |
| /** |
| * Only leafs are selectable. |
| */ |
| multiLeafOnly, |
| |
| /** |
| * Only one item is selectable and it must be a leaf. |
| */ |
| singleLeafOnly, |
| |
| /** |
| * Only siblings are selectable. |
| */ |
| sibling, |
| |
| /** |
| * Only siblings are selectable and they have to be leafs. |
| */ |
| siblingLeafOnly, |
| |
| /** |
| * Multi selection possible. When selecting or deselecting an item, the subtree will also |
| * be selected or unselected. |
| */ |
| multiCascade; |
| |
| public static final String NONE = "none"; |
| |
| public static final String MULTI = "multi"; |
| |
| public static final String SINGLE = "single"; |
| |
| public static final String SINGLE_OR_NONE = "singleOrNone"; |
| |
| public static final String MULTI_LEAF_ONLY = "multiLeafOnly"; |
| |
| public static final String SINGLE_LEAF_ONLY = "singleLeafOnly"; |
| |
| public static final String SIBLING = "sibling"; |
| |
| public static final String SIBLING_LEAF_ONLY = "siblingLeafOnly"; |
| |
| public static final String MULTI_CASCADE = "multiCascade"; |
| |
| private static final Set<Selectable> SHEET_VALUES = EnumSet.of( |
| none, |
| multi, |
| single, |
| singleOrNone); |
| |
| private static final Set<Selectable> TREE_VALUES = EnumSet.of( |
| none, |
| multi, |
| single, |
| multiLeafOnly, |
| singleLeafOnly, |
| multiCascade); |
| |
| private static final Set<Selectable> TREE_LISTBOX_VALUES = EnumSet.of( |
| single, |
| singleLeafOnly, |
| multiLeafOnly); |
| |
| /** |
| * @param name Name of the Selectable |
| * @return The matching tree selection (can't be null). |
| * @throws IllegalArgumentException When the name doesn't match any Selectable. |
| */ |
| public static Selectable parse(final Object name) throws IllegalArgumentException { |
| if (name == null) { |
| return null; |
| } |
| if (name instanceof Selectable) { |
| return (Selectable) name; |
| } |
| return valueOf(name.toString()); |
| } |
| |
| public boolean isLeafOnly() { |
| return this == singleLeafOnly || this == multiLeafOnly || this == siblingLeafOnly; |
| } |
| |
| public boolean isSingle() { |
| return this == single || this == singleOrNone || this == singleLeafOnly; |
| } |
| |
| public boolean isMulti() { |
| return this == multi || this == multiLeafOnly || this == multiCascade; |
| } |
| |
| public boolean isSupportedBySheet() { |
| return SHEET_VALUES.contains(this); |
| } |
| |
| public boolean isSupportedByTree() { |
| return TREE_VALUES.contains(this); |
| } |
| |
| public boolean isSupportedByTreeListbox() { |
| return TREE_LISTBOX_VALUES.contains(this); |
| } |
| } |